UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FlkBA0uFsnl4UzHi/oH+dS5c6YMw82HE1yPbA0FqRfs=' 
WHERE 
  key_id = '6e271bd2932707e3e34b3ddc25752c190b630394924c1e4db4fad478c1ab6862' 
  AND (
    token = 'FlkBA0uFsnl4UzHi/oH+dS5c6YMw82HE1yPbA0FqRfs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )